Discrimination of isotopes by living systems. IV. Stimulus-threshold of sartorius muscles in  39 KCl and  41 KCl.
D000818:Animals; D001001:Anura; D004558:Electric Stimulation; D008433:Mathematics; D009132:Muscles / Q000187:drug effects* / Q000378:metabolism / Q000502:physiology; D011188:Potassium / Q000378:metabolism; D011189:Potassium Chloride / Q000494:pharmacology; D011194:Potassium Isotopes / Q000494:pharmacology*; D011893:Rana esculenta; D012964:Sodium / Q000378:metabolism; D013997:Time Factors
D011194:Potassium Isotopes; D011189:Potassium Chloride; D012964:Sodium; D011188:Potassium